这部相机有两个焦距.The camera has two focuses.比较贵的照相机有可调焦距.More expensive cameras have adjustable focusing.常见镜头的焦距 ( f ) 为625毫米.A typical lens has a focal length ( f ) of 625 mm....
房间的其余部分整洁干净，不带任何的个人色彩。The rest of the room was neat and impersonal.因为改变存取要求所作的任何的数据移动.Any movement of data made because of changed access requirements.他并不想马上就续娶, 他顾不得想任何的事.However , he was in no hurry to remarry - it was...
她未列入该编组使大家感到惊讶。Everyone was surprised at her omission from the squad.约有二千人编组成军加强防御工事.About two thousand men were ganged out to strengthen the works.首要者为决定总部幕僚最理想的编组.The first of these was determination of the most desira...
绳索滑轮系统a system of ropes and pulleys这块大石是用绳子和滑轮给吊起来的.The stone was lifted by means of a rope and pulley.工人把金属丝穿在滑轮上.The worker threaded the wire through the pulley....